mirror of https://github.com/pypa/pip
688 lines
25 KiB
Python
688 lines
25 KiB
Python
#!/usr/bin/env python
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import os
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import sys
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import tempfile
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import shutil
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import glob
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import atexit
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import textwrap
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import site
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from scripttest import TestFileEnvironment, FoundDir
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from tests.path import Path, curdir, u
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from pip.util import rmtree
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pyversion = sys.version[:3]
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# the directory containing all the tests
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here = Path(__file__).abspath.folder
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# the root of this pip source distribution
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src_folder = here.folder
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download_cache = tempfile.mkdtemp(prefix='pip-test-cache')
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site_packages_suffix = site.USER_SITE[len(site.USER_BASE) + 1:]
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def path_to_url(path):
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"""
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Convert a path to URI. The path will be made absolute and
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will not have quoted path parts.
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(adapted from pip.util)
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"""
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path = os.path.normpath(os.path.abspath(path))
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drive, path = os.path.splitdrive(path)
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filepath = path.split(os.path.sep)
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url = '/'.join(filepath)
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if drive:
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return 'file:///' + drive + url
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return 'file://' +url
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def demand_dirs(path):
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if not os.path.exists(path):
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os.makedirs(path)
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# Tweak the path so we can find up-to-date pip sources
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# (http://bitbucket.org/ianb/pip/issue/98)
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sys.path = [src_folder] + sys.path
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def create_virtualenv(where, distribute=False):
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import virtualenv
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if sys.version_info[0] > 2:
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distribute = True
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virtualenv.create_environment(
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where, use_distribute=distribute, unzip_setuptools=True)
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return virtualenv.path_locations(where)
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def relpath(root, other):
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"""a poor man's os.path.relpath, since we may not have Python 2.6"""
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prefix = root+Path.sep
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assert other.startswith(prefix)
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return Path(other[len(prefix):])
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if 'PYTHONPATH' in os.environ:
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del os.environ['PYTHONPATH']
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try:
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any
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except NameError:
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def any(seq):
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for item in seq:
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if item:
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return True
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return False
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def clear_environ(environ):
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return dict(((k, v) for k, v in environ.items()
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if not k.lower().startswith('pip_')))
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def install_setuptools(env):
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easy_install = os.path.join(env.bin_path, 'easy_install')
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version = 'setuptools==0.6c11'
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if sys.platform != 'win32':
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return env.run(easy_install, version)
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tempdir = tempfile.mkdtemp()
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try:
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for f in glob.glob(easy_install+'*'):
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shutil.copy2(f, tempdir)
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return env.run(os.path.join(tempdir, 'easy_install'), version)
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finally:
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rmtree(tempdir)
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env = None
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def reset_env(environ=None, use_distribute=None, system_site_packages=False, sitecustomize=None):
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"""Return a test environment.
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Keyword arguments:
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environ: an environ object to use.
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use_distribute: use distribute, not setuptools.
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system_site_packages: create a virtualenv that simulates --system-site-packages.
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sitecustomize: a string containing python code to add to sitecustomize.py.
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"""
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global env
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# FastTestPipEnv reuses env, not safe if use_distribute specified
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if use_distribute is None and not system_site_packages:
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env = FastTestPipEnvironment(environ, sitecustomize=sitecustomize)
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else:
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env = TestPipEnvironment(environ, use_distribute=use_distribute, sitecustomize=sitecustomize)
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if system_site_packages:
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#testing often occurs starting from a private virtualenv (e.g. with tox)
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#from that context, you can't successfully use virtualenv.create_environment
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#to create a 'system-site-packages' virtualenv
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#hence, this workaround
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(env.lib_path/'no-global-site-packages.txt').rm()
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return env
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class TestFailure(AssertionError):
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"""
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An "assertion" failed during testing.
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"""
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pass
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#
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# This cleanup routine prevents the __del__ method that cleans up the tree of
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# the last TestPipEnvironment from firing after shutil has already been
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# unloaded. It also ensures that FastTestPipEnvironment doesn't leave an
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# environment hanging around that might confuse the next test run.
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#
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def _cleanup():
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global env
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del env
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rmtree(download_cache, ignore_errors=True)
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rmtree(fast_test_env_root, ignore_errors=True)
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rmtree(fast_test_env_backup, ignore_errors=True)
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atexit.register(_cleanup)
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class TestPipResult(object):
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def __init__(self, impl, verbose=False):
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self._impl = impl
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if verbose:
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print(self.stdout)
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if self.stderr:
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print('======= stderr ========')
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print(self.stderr)
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print('=======================')
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def __getattr__(self, attr):
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return getattr(self._impl, attr)
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if sys.platform == 'win32':
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@property
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def stdout(self):
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return self._impl.stdout.replace('\r\n', '\n')
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@property
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def stderr(self):
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return self._impl.stderr.replace('\r\n', '\n')
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def __str__(self):
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return str(self._impl).replace('\r\n', '\n')
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else:
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# Python doesn't automatically forward __str__ through __getattr__
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def __str__(self):
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return str(self._impl)
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def assert_installed(self, pkg_name, with_files=[], without_files=[], without_egg_link=False, use_user_site=False):
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e = self.test_env
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pkg_dir = e.venv/ 'src'/ pkg_name.lower()
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if use_user_site:
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egg_link_path = e.user_site / pkg_name + '.egg-link'
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else:
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egg_link_path = e.site_packages / pkg_name + '.egg-link'
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if without_egg_link:
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if egg_link_path in self.files_created:
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raise TestFailure('unexpected egg link file created: '\
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'%r\n%s' % (egg_link_path, self))
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else:
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if not egg_link_path in self.files_created:
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raise TestFailure('expected egg link file missing: '\
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'%r\n%s' % (egg_link_path, self))
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egg_link_file = self.files_created[egg_link_path]
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if not (# FIXME: I don't understand why there's a trailing . here
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egg_link_file.bytes.endswith('.')
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and egg_link_file.bytes[:-1].strip().endswith(pkg_dir)):
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raise TestFailure(textwrap.dedent(u('''\
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Incorrect egg_link file %r
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Expected ending: %r
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------- Actual contents -------
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%s
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-------------------------------''' % (
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egg_link_file,
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pkg_dir + u('\n.'),
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egg_link_file.bytes))))
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if use_user_site:
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pth_file = Path.string(e.user_site / 'easy-install.pth')
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else:
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pth_file = Path.string(e.site_packages / 'easy-install.pth')
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if (pth_file in self.files_updated) == without_egg_link:
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raise TestFailure('%r unexpectedly %supdated by install' % (
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pth_file, (not without_egg_link and 'not ' or '')))
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if (pkg_dir in self.files_created) == (curdir in without_files):
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raise TestFailure(textwrap.dedent('''\
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expected package directory %r %sto be created
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actually created:
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%s
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''') % (
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Path.string(pkg_dir),
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(curdir in without_files and 'not ' or ''),
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sorted(self.files_created.keys())))
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for f in with_files:
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if not (pkg_dir/f).normpath in self.files_created:
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raise TestFailure('Package directory %r missing '\
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'expected content %f' % (pkg_dir, f))
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for f in without_files:
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if (pkg_dir/f).normpath in self.files_created:
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raise TestFailure('Package directory %r has '\
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'unexpected content %f' % (pkg_dir, f))
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class TestPipEnvironment(TestFileEnvironment):
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"""A specialized TestFileEnvironment for testing pip"""
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#
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# Attribute naming convention
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# ---------------------------
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#
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# Instances of this class have many attributes representing paths
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# in the filesystem. To keep things straight, absolute paths have
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# a name of the form xxxx_path and relative paths have a name that
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# does not end in '_path'.
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# The following paths are relative to the root_path, and should be
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# treated by clients as instance attributes. The fact that they
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# are defined in the class is an implementation detail
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# where we'll create the virtual Python installation for testing
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#
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# Named with a leading dot to reduce the chance of spurious
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# results due to being mistaken for the virtualenv package.
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venv = Path('.virtualenv')
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# The root of a directory tree to be used arbitrarily by tests
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scratch = Path('scratch')
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exe = sys.platform == 'win32' and '.exe' or ''
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verbose = False
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def __init__(self, environ=None, use_distribute=None, sitecustomize=None):
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self.root_path = Path(tempfile.mkdtemp('-piptest'))
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# We will set up a virtual environment at root_path.
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self.scratch_path = self.root_path / self.scratch
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self.venv_path = self.root_path / self.venv
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if not environ:
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environ = os.environ.copy()
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environ = clear_environ(environ)
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environ['PIP_DOWNLOAD_CACHE'] = str(download_cache)
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environ['PIP_NO_INPUT'] = '1'
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environ['PIP_LOG_FILE'] = str(self.root_path/'pip-log.txt')
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super(TestPipEnvironment, self).__init__(
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self.root_path, ignore_hidden=False,
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environ=environ, split_cmd=False, start_clear=False,
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cwd=self.scratch_path, capture_temp=True, assert_no_temp=True)
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demand_dirs(self.venv_path)
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demand_dirs(self.scratch_path)
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if use_distribute is None:
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use_distribute = os.environ.get('PIP_TEST_USE_DISTRIBUTE', False)
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self.use_distribute = use_distribute
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# Create a virtualenv and remember where it's putting things.
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virtualenv_paths = create_virtualenv(self.venv_path, distribute=self.use_distribute)
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assert self.venv_path == virtualenv_paths[0] # sanity check
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for id, path in zip(('venv', 'lib', 'include', 'bin'), virtualenv_paths):
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#fix for virtualenv issue #306
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if hasattr(sys, "pypy_version_info") and id == 'lib':
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path = os.path.join(self.venv_path, 'lib-python', pyversion)
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setattr(self, id+'_path', Path(path))
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setattr(self, id, relpath(self.root_path, path))
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assert self.venv == TestPipEnvironment.venv # sanity check
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if hasattr(sys, "pypy_version_info"):
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self.site_packages = self.venv/'site-packages'
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else:
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self.site_packages = self.lib/'site-packages'
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self.user_base_path = self.venv_path/'user'
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self.user_site_path = self.venv_path/'user'/site_packages_suffix
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self.user_site = relpath(self.root_path, self.user_site_path)
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demand_dirs(self.user_site_path)
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self.environ["PYTHONUSERBASE"] = self.user_base_path
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# create easy-install.pth in user_site, so we always have it updated instead of created
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open(self.user_site_path/'easy-install.pth', 'w').close()
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# put the test-scratch virtualenv's bin dir first on the PATH
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self.environ['PATH'] = Path.pathsep.join((self.bin_path, self.environ['PATH']))
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# test that test-scratch virtualenv creation produced sensible venv python
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result = self.run('python', '-c', 'import sys; print(sys.executable)')
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pythonbin = result.stdout.strip()
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if Path(pythonbin).noext != self.bin_path/'python':
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raise RuntimeError(
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"Oops! 'python' in our test environment runs %r"
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" rather than expected %r" % (pythonbin, self.bin_path/'python'))
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# make sure we have current setuptools to avoid svn incompatibilities
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if not self.use_distribute:
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install_setuptools(self)
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# Uninstall whatever version of pip came with the virtualenv.
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# Earlier versions of pip were incapable of
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# self-uninstallation on Windows, so we use the one we're testing.
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self.run('python', '-c',
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'"import sys; sys.path.insert(0, %r); import pip; sys.exit(pip.main());"' % os.path.dirname(here),
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'uninstall', '-vvv', '-y', 'pip')
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# Install this version instead
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self.run('python', 'setup.py', 'install', cwd=src_folder, expect_stderr=True)
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#create sitecustomize.py and add patches
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self._create_empty_sitecustomize()
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self._use_cached_pypi_server()
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if sitecustomize:
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self._add_to_sitecustomize(sitecustomize)
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# Ensure that $TMPDIR exists (because we use start_clear=False, it's not created for us)
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if self.temp_path and not os.path.exists(self.temp_path):
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os.makedirs(self.temp_path)
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def _ignore_file(self, fn):
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if fn.endswith('__pycache__') or fn.endswith(".pyc"):
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result = True
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else:
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result = super(TestPipEnvironment, self)._ignore_file(fn)
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return result
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def run(self, *args, **kw):
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if self.verbose:
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print('>> running %s %s' % (args, kw))
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cwd = kw.pop('cwd', None)
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run_from = kw.pop('run_from', None)
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assert not cwd or not run_from, "Don't use run_from; it's going away"
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cwd = Path.string(cwd or run_from or self.cwd)
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assert not isinstance(cwd, Path)
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return TestPipResult(super(TestPipEnvironment, self).run(cwd=cwd, *args, **kw), verbose=self.verbose)
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def __del__(self):
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rmtree(str(self.root_path), ignore_errors=True)
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def _use_cached_pypi_server(self):
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# previously, this was handled in a pth file, and not in sitecustomize.py
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# pth processing happens during the construction of sys.path.
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# 'import pypi_server' ultimately imports pkg_resources (which intializes pkg_resources.working_set based on the current state of sys.path)
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# pkg_resources.get_distribution (used in pip.req) requires an accurate pkg_resources.working_set
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# therefore, 'import pypi_server' shouldn't occur in a pth file.
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patch = """
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import sys
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sys.path.insert(0, %r)
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import pypi_server
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pypi_server.PyPIProxy.setup()
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sys.path.remove(%r)""" % (str(here), str(here))
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self._add_to_sitecustomize(patch)
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def _create_empty_sitecustomize(self):
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"Create empty sitecustomize.py."
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sitecustomize_path = self.lib_path / 'sitecustomize.py'
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sitecustomize = open(sitecustomize_path, 'w')
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sitecustomize.close()
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def _add_to_sitecustomize(self, snippet):
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"Adds a python code snippet to sitecustomize.py."
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sitecustomize_path = self.lib_path / 'sitecustomize.py'
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sitecustomize = open(sitecustomize_path, 'a')
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sitecustomize.write(textwrap.dedent('''
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%s
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''' %snippet))
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sitecustomize.close()
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fast_test_env_root = here / 'tests_cache' / 'test_ws'
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fast_test_env_backup = here / 'tests_cache' / 'test_ws_backup'
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class FastTestPipEnvironment(TestPipEnvironment):
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def __init__(self, environ=None, sitecustomize=None):
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import virtualenv
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self.root_path = fast_test_env_root
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self.backup_path = fast_test_env_backup
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self.scratch_path = self.root_path / self.scratch
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# We will set up a virtual environment at root_path.
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self.venv_path = self.root_path / self.venv
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if not environ:
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environ = os.environ.copy()
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environ = clear_environ(environ)
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environ['PIP_DOWNLOAD_CACHE'] = str(download_cache)
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environ['PIP_NO_INPUT'] = '1'
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environ['PIP_LOG_FILE'] = str(self.root_path/'pip-log.txt')
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TestFileEnvironment.__init__(self,
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self.root_path, ignore_hidden=False,
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environ=environ, split_cmd=False, start_clear=False,
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cwd=self.scratch_path, capture_temp=True, assert_no_temp=True)
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virtualenv_paths = virtualenv.path_locations(self.venv_path)
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for id, path in zip(('venv', 'lib', 'include', 'bin'), virtualenv_paths):
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#fix for virtualenv issue #306
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if hasattr(sys, "pypy_version_info") and id == 'lib':
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path = os.path.join(self.venv_path, 'lib-python', pyversion)
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setattr(self, id+'_path', Path(path))
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setattr(self, id, relpath(self.root_path, path))
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assert self.venv == TestPipEnvironment.venv # sanity check
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if hasattr(sys, "pypy_version_info"):
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self.site_packages = self.venv/'site-packages'
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else:
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self.site_packages = self.lib/'site-packages'
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self.user_base_path = self.venv_path/'user'
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self.user_site_path = self.venv_path/'user'/'lib'/self.lib.name/'site-packages'
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self.user_site = relpath(self.root_path, self.user_site_path)
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self.environ["PYTHONUSERBASE"] = self.user_base_path
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# put the test-scratch virtualenv's bin dir first on the PATH
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self.environ['PATH'] = Path.pathsep.join((self.bin_path, self.environ['PATH']))
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self.use_distribute = os.environ.get('PIP_TEST_USE_DISTRIBUTE', False)
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if self.root_path.exists:
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rmtree(self.root_path)
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if self.backup_path.exists:
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shutil.copytree(self.backup_path, self.root_path, True)
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else:
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demand_dirs(self.venv_path)
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demand_dirs(self.scratch_path)
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# Create a virtualenv and remember where it's putting things.
|
|
create_virtualenv(self.venv_path, distribute=self.use_distribute)
|
|
|
|
demand_dirs(self.user_site_path)
|
|
|
|
# create easy-install.pth in user_site, so we always have it updated instead of created
|
|
open(self.user_site_path/'easy-install.pth', 'w').close()
|
|
|
|
# test that test-scratch virtualenv creation produced sensible venv python
|
|
result = self.run('python', '-c', 'import sys; print(sys.executable)')
|
|
pythonbin = result.stdout.strip()
|
|
|
|
if Path(pythonbin).noext != self.bin_path/'python':
|
|
raise RuntimeError(
|
|
"Oops! 'python' in our test environment runs %r"
|
|
" rather than expected %r" % (pythonbin, self.bin_path/'python'))
|
|
|
|
# make sure we have current setuptools to avoid svn incompatibilities
|
|
if not self.use_distribute:
|
|
install_setuptools(self)
|
|
|
|
# Uninstall whatever version of pip came with the virtualenv.
|
|
# Earlier versions of pip were incapable of
|
|
# self-uninstallation on Windows, so we use the one we're testing.
|
|
self.run('python', '-c',
|
|
'"import sys; sys.path.insert(0, %r); import pip; sys.exit(pip.main());"' % os.path.dirname(here),
|
|
'uninstall', '-vvv', '-y', 'pip')
|
|
|
|
# Install this version instead
|
|
self.run('python', 'setup.py', 'install', cwd=src_folder, expect_stderr=True)
|
|
shutil.copytree(self.root_path, self.backup_path, True)
|
|
|
|
#create sitecustomize.py and add patches
|
|
self._create_empty_sitecustomize()
|
|
self._use_cached_pypi_server()
|
|
if sitecustomize:
|
|
self._add_to_sitecustomize(sitecustomize)
|
|
|
|
assert self.root_path.exists
|
|
|
|
# Ensure that $TMPDIR exists (because we use start_clear=False, it's not created for us)
|
|
if self.temp_path and not os.path.exists(self.temp_path):
|
|
os.makedirs(self.temp_path)
|
|
|
|
def __del__(self):
|
|
pass # shutil.rmtree(str(self.root_path), ignore_errors=True)
|
|
|
|
|
|
def run_pip(*args, **kw):
|
|
result = env.run('pip', *args, **kw)
|
|
ignore = []
|
|
for path, f in result.files_before.items():
|
|
# ignore updated directories, often due to .pyc or __pycache__
|
|
if (path in result.files_updated and
|
|
isinstance(result.files_updated[path], FoundDir)):
|
|
ignore.append(path)
|
|
for path in ignore:
|
|
del result.files_updated[path]
|
|
return result
|
|
|
|
|
|
def write_file(filename, text, dest=None):
|
|
"""Write a file in the dest (default=env.scratch_path)
|
|
|
|
"""
|
|
env = get_env()
|
|
if dest:
|
|
complete_path = dest/ filename
|
|
else:
|
|
complete_path = env.scratch_path/ filename
|
|
f = open(complete_path, 'w')
|
|
f.write(text)
|
|
f.close()
|
|
|
|
|
|
def mkdir(dirname):
|
|
os.mkdir(os.path.join(get_env().scratch_path, dirname))
|
|
|
|
|
|
def get_env():
|
|
if env is None:
|
|
reset_env()
|
|
return env
|
|
|
|
|
|
# FIXME ScriptTest does something similar, but only within a single
|
|
# ProcResult; this generalizes it so states can be compared across
|
|
# multiple commands. Maybe should be rolled into ScriptTest?
|
|
def diff_states(start, end, ignore=None):
|
|
"""
|
|
Differences two "filesystem states" as represented by dictionaries
|
|
of FoundFile and FoundDir objects.
|
|
|
|
Returns a dictionary with following keys:
|
|
|
|
``deleted``
|
|
Dictionary of files/directories found only in the start state.
|
|
|
|
``created``
|
|
Dictionary of files/directories found only in the end state.
|
|
|
|
``updated``
|
|
Dictionary of files whose size has changed (FIXME not entirely
|
|
reliable, but comparing contents is not possible because
|
|
FoundFile.bytes is lazy, and comparing mtime doesn't help if
|
|
we want to know if a file has been returned to its earlier
|
|
state).
|
|
|
|
Ignores mtime and other file attributes; only presence/absence and
|
|
size are considered.
|
|
|
|
"""
|
|
ignore = ignore or []
|
|
|
|
def prefix_match(path, prefix):
|
|
if path == prefix:
|
|
return True
|
|
prefix = prefix.rstrip(os.path.sep) + os.path.sep
|
|
return path.startswith(prefix)
|
|
|
|
start_keys = set([k for k in start.keys()
|
|
if not any([prefix_match(k, i) for i in ignore])])
|
|
end_keys = set([k for k in end.keys()
|
|
if not any([prefix_match(k, i) for i in ignore])])
|
|
deleted = dict([(k, start[k]) for k in start_keys.difference(end_keys)])
|
|
created = dict([(k, end[k]) for k in end_keys.difference(start_keys)])
|
|
updated = {}
|
|
for k in start_keys.intersection(end_keys):
|
|
if (start[k].size != end[k].size):
|
|
updated[k] = end[k]
|
|
return dict(deleted=deleted, created=created, updated=updated)
|
|
|
|
|
|
def assert_all_changes(start_state, end_state, expected_changes):
|
|
"""
|
|
Fails if anything changed that isn't listed in the
|
|
expected_changes.
|
|
|
|
start_state is either a dict mapping paths to
|
|
scripttest.[FoundFile|FoundDir] objects or a TestPipResult whose
|
|
files_before we'll test. end_state is either a similar dict or a
|
|
TestPipResult whose files_after we'll test.
|
|
|
|
Note: listing a directory means anything below
|
|
that directory can be expected to have changed.
|
|
"""
|
|
start_files = start_state
|
|
end_files = end_state
|
|
if isinstance(start_state, TestPipResult):
|
|
start_files = start_state.files_before
|
|
if isinstance(end_state, TestPipResult):
|
|
end_files = end_state.files_after
|
|
|
|
diff = diff_states(start_files, end_files, ignore=expected_changes)
|
|
if list(diff.values()) != [{}, {}, {}]:
|
|
raise TestFailure('Unexpected changes:\n' + '\n'.join(
|
|
[k + ': ' + ', '.join(v.keys()) for k, v in diff.items()]))
|
|
|
|
# Don't throw away this potentially useful information
|
|
return diff
|
|
|
|
|
|
def _create_test_package(env):
|
|
mkdir('version_pkg')
|
|
version_pkg_path = env.scratch_path/'version_pkg'
|
|
write_file('version_pkg.py', textwrap.dedent('''\
|
|
def main():
|
|
print('0.1')
|
|
'''), version_pkg_path)
|
|
write_file('setup.py', textwrap.dedent('''\
|
|
from setuptools import setup, find_packages
|
|
setup(name='version_pkg',
|
|
version='0.1',
|
|
packages=find_packages(),
|
|
py_modules=['version_pkg'],
|
|
entry_points=dict(console_scripts=['version_pkg=version_pkg:main']))
|
|
'''), version_pkg_path)
|
|
env.run('git', 'init', cwd=version_pkg_path)
|
|
env.run('git', 'add', '.', cwd=version_pkg_path)
|
|
env.run('git', 'commit', '-q',
|
|
'--author', 'Pip <python-virtualenv@googlegroups.com>',
|
|
'-am', 'initial version', cwd=version_pkg_path)
|
|
return version_pkg_path
|
|
|
|
|
|
def _change_test_package_version(env, version_pkg_path):
|
|
write_file('version_pkg.py', textwrap.dedent('''\
|
|
def main():
|
|
print("some different version")'''), version_pkg_path)
|
|
env.run('git', 'clean', '-qfdx', cwd=version_pkg_path, expect_stderr=True)
|
|
env.run('git', 'commit', '-q',
|
|
'--author', 'Pip <python-virtualenv@googlegroups.com>',
|
|
'-am', 'messed version',
|
|
cwd=version_pkg_path, expect_stderr=True)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.stderr.write("Run pip's tests using nosetests. Requires virtualenv, ScriptTest, mock, and nose.\n")
|
|
sys.exit(1)
|